| (19) |
 |
|
(11) |
EP 2 492 298 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
04.09.2013 Bulletin 2013/36 |
| (43) |
Date of publication A2: |
|
29.08.2012 Bulletin 2012/35 |
| (22) |
Date of filing: 08.02.2012 |
|
| (51) |
International Patent Classification (IPC):
|
|
| (84) |
Designated Contracting States: |
|
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL
NO PL PT RO RS SE SI SK SM TR |
|
Designated Extension States: |
|
BA ME |
| (30) |
Priority: |
22.02.2011 JP 2011035571
|
| (71) |
Applicant: Nitto Denko Corporation |
|
Osaka 567-8680 (JP) |
|
| (72) |
Inventors: |
|
- Igarashi, Kazumasa
Osaka, 567-8680 (JP)
- Hasegawa, Yuki
Osaka, 567-8680 (JP)
|
| (74) |
Representative: HOFFMANN EITLE |
|
Patent- und Rechtsanwälte
Arabellastrasse 4
81925 München
81925 München (DE) |
|
| |
|
| (54) |
UV-curable optical resin adhesive composition |
(57) A UV-curable optical resin adhesive composition is provided having excellent transparency,
adhesion reliability, and durability without causing any adverse affect on image qualities
such as luminance and contrast, and suitable for a reworking (repairing) process.
The UV-curable optical resin adhesive composition fills a gap between an image display
panel and a protective cover plate. The UV-curable optical resin adhesive composition
contains, a urethane acrylate-based polymer (A) having a (meth)acryloyl group and
a hydroxyl group on side chains thereof, and a photopolymerization initiator (B).